1 - 20 of 50 Bookmarked Items in Kinky Sunday (Honkai: Star Rail)
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Sunday’s mind starts to grow fuzzy, his body on the verge of floating from the fragments of praise and proximity, the promise that he’ll be able to let go and have his lover tend to his needs. He can’t fathom how lucky he is that he’s found someone he trusts completely, who knows him, his body, and mind inside and out.
or: sunday had a rough week, so aventurine services him with praise
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You'll be there to help me undress by bloodypixel
Fandoms: 崩坏：星穹铁道 | Honkai: Star Rail (Video Game)
27 Nov 2024
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“Oh birdie. Has it not crossed your mind that you’re not a Beta at all?”
The Halovian froze in the spot at that, staring at Aventurine with absolute dread in his eyes. Surely he didn’t rule it out, since his nature kept betraying him, but living your whole life as a lie wasn’t exactly something one could just shake off.
“I’ve considered… yes,” Sunday finally spoke up, his attempts to compose himself mostly futile. He deliberately ignored Aventurine’s use of that silly nickname. “But then what am I supposed to do? I wasn’t taught any of these things. My… My sister,” his voice trembled slightly at the mention of Robin. “I’ve taken care of her right before heats, I know what they look like, this isn’t it."
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aka Sunday discovers he's an Alpha and Aventurine helps him through his first, very delayed, rut.-
Bookmark Notes:
You'll be there to help me undress by bloodypixel
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would you mind (if I took your hand tonight?) by IcedCaramelCake
Fandoms: 崩坏：星穹铁道 | Honkai: Star Rail (Video Game)
26 Aug 2025
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Bestow mercy upon this wretched soul, he thinks, then –
“I misspoke. This is…more than adequate,” he says, wets his lips. Then, taking care to enunciate each word as he reaches for Aventurine’s hand, pulling it from his bare side to peel the man’s glove off, he says, “I want this.”
Aventurine doesn’t reply. His eyes are wide, his lips parted, as he takes in the sight of their bare hands sliding together, of fingers interlocking.
Or: Sunday and Aventurine take advantage of an empty Astral Express to have sex for the first time (ever, in Sunday's case), featuring Sunday's desires conflicting with his religious upbringing.
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Bookmark Notes:
would you mind (if I took your hand tonight?) by IcedCaramelCake
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Sunday is possibly the worst communicator Aventurine has ever decided to bed. That doesn't mean it's not a fun time, though.
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honey by charmonyfall
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"And if I am frustrated with it? Would you help?" Sunday asked carefully. Trying his best to feign nonchalance.
Gallagher scratched at his own chin with his free hand thoughtfully. "Help with what? I'm garbage with paperwork."
"You could help me," Sunday paused, momentarily losing his nerve with the insane thing he was asking. "Blow off some steam. Physically."
Gallagher stared at him. "You—" Opened his mouth and immediately closed it again. "Sunday, are—" Blinked a few times. "Are you propositioning me?"
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Sunday is pregnant with their twins, and being pouty. Gallagher is helping~
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Ever since Sunday had sex for the first time there has been something wrong with him. Normally he was not interested in the arts of masturbation. Not even now, if he was being honest. But when he was still virginal he didn’t know what an orgasm felt like yet, therefore the need to have one wasn’t even there. He was sure he felt a little frisky, sometimes, but trying to masturbate didn’t yield the promised results, so it was simply a waste of time. It was still a waste of time in the present, as he simply couldn’t get himself off. Toys didn’t help either. Too intimidating or they didn’t mimic the feeling of an actual penis - or the actual penis, since he only experienced one so far - well enough.
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Sunday is feeling frisky and is embarrassed about it.
Series
- Part 3 of Just Avenday Sunday IPC AU
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fearless in your love (devoted to compassion) by smutsoliloquy (seasoliloquy)
Fandoms: 崩坏：星穹铁道 | Honkai: Star Rail (Video Game)
26 Jan 2025
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The noise Sunday makes when he steps into the room is perhaps best described as similar to the vintage tea kettle Argenti is fond of, the one that sits on the hob rather than using electricity.
Then he turns around and walks out. Argenti frowns. He had been certain that the beauty of himself and Boothill together would be a sufficient lure.
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On your knees, little peacock by Pure_Vess3l for tokyostep
Fandoms: 崩坏：星穹铁道 | Honkai: Star Rail (Video Game)
07 Feb 2024
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His next words really don't match his pleasant expression, “Get on your knees.”
Aventurine looks at him silently for a few seconds, unable to stop his surprise from bubbling to the surface. “I… I think I heard you wrong, Mr Sunday.”
“No, you have not, little peacock.” Sunday walks towards Aventurine, closer and closer. He puts his hand on Aventurine's shoulder and pushes him back towards the couch even more. He can feel Sunday's breath on his face, “Get on your knees, better yet, strip before doing so.”
Series
- Part 1 of sunturine brainrot
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And if I Said it Wasn't Weird? (Cause I Think I'm Into it. Lol.) by sundaypussylover
Fandoms: 崩坏：星穹铁道 | Honkai: Star Rail (Video Game)
26 Dec 2024
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In which, Aventurine's “do Halovians lay eggs?” jokes are, in fact, correct.
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pride goeth before the fall by clairespring7840, lilyveil1399 (clairespring7840)
Fandom: 崩坏：星穹铁道 | Honkai: Star Rail (Video Game)
22 Jul 2025
- Words:
- 127,587
- Works:
- 4
- Bookmarks:
- 42
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Damn You Erogenous Zones!!!! by vennys_tales
Fandoms: 崩坏：星穹铁道 | Honkai: Star Rail (Video Game)
11 Mar 2025
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"Would it be alright if I… touched your wings?"
A sound of surprise comes from Sunday. His wings curl into themselves slightly. Maybe you said something you shouldn't have?
"It's alright if you don't want to, Sunday! I've just been curious about it you know," you try to explain.
Sunday's eyes widen, raising up his hands, "no, no it's alright, my love. I just didn't expect you to ask the question," he looks around the parlor car, as if someone is hiding away from you two, "a halovian's wings are quite… sensitive. Since we're out in the open and someone could see, it's a bit…"
You stroke Sunday's wings and he gets hard!
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Sunday was the only one that respected his name, and blessed with one of the brightest minds out there. The Halovian man would always sit at the first row of his lectures, his pen in hand as his notebook laid flat on the desk. He can't forget his pretty golden eyes shining through his lashes when he looked at the blackboard. Sunday was always so attentive.
Anaxa just had to reward him.
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Bookmark Notes:
Finished
Chapter 2
100/10 -
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Intwined in the Golden Thread by Ajaxoquaza
Fandoms: 崩坏：星穹铁道 | Honkai: Star Rail (Video Game)
20 Jan 2025
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Sunday and Aglaea have some spicy time together, take a bath, and make the bath spicy too.
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The howl of a hound by Kasumi_Mitsukari
Fandoms: 崩坏：星穹铁道 | Honkai: Star Rail (Video Game)
25 Jan 2025
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Sunday is stressed. His job is tearing at his mind and body and he has to find a way to relieve it fast and effective. And he is ready to try out anything that may help his little problem.
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A somewhat fortunate crash by Wurstdurst (Marlemarle)
Fandoms: 崩坏：星穹铁道 | Honkai: Star Rail (Video Game)
20 May 2025
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Sunday took the digital thermometer out of the medical cabinet, then held it to his temple. It beeped to alert the user that it finished taking the temperature.
37°C
Normal then. Sunday let out a relieved breath. He put the thermometer back where it belonged. There was some chamomile tea available. He will make himself a cup, maybe it will help him with his insomnia.
“Everything alright?”
Sunday startled when he heard Aventurine’s voice. He almost dropped the cup he just took out of the cupboard. With both hands he grabbed around the cup, to not drop it again, holding it close to his chest as he turned towards Aventurine. There was a strange heat pooling in his gut as he looked at Aventurine. His heart started to beat just a tad faster. Probably from being startled.
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Bookmark Notes:
Chapter 3
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I'll worship like a dog at the shrine of your lies by Cat_on_a_tank
Fandoms: 崩坏：星穹铁道 | Honkai: Star Rail (Video Game)
01 Jul 2025
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Sunday has problems, not that he really understand it, he knows he's troubled, he was a troubled child after all. Ever since his fall from grace he seems to be crumbling every day some more, he needs to find a way to hold himself together, or else it could end badly for him.
Argenti's inner conflict about his devotion is eating him up inside, how can he solve this?
Dr. Veritas Ratio seems to be the only stable person here, but how could he ever voice his complaints to others? They wouldn't understand him anyway.
(Btw tags will change and I will add more)
TAKE SERIOUSLY THE WARNING I'M GIVING RN
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Chat, y'all, listen, this is literally just my brainworms demanding me to do this, I've been torturing these guys in my head ever since I started playing this game 150 days ago, I'm literally going insaneSeries
- Part 1 of Nest of a dove
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flew too close to the sun by sakurablight
Fandoms: 崩坏：星穹铁道 | Honkai: Star Rail (Video Game)
25 Jun 2024
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Sunday has been lucky so far in his so-called "negotiations" with Aventurine, but today that luck is about to run out.
Series
- Part 3 of Dead Charmony Dove: Do Not Eat
- Part 2 of My Sunturine/Avenday Agenda
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a rather egg-citing evening by lilyveil1399 (clairespring7840)
Fandoms: 崩坏：星穹铁道 | Honkai: Star Rail (Video Game)
20 Apr 2025
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“You…lay eggs?”
Sunday huffs, silver wings curling about his features.
“Indeed, it is a rather odd facet of my nature. It’s not one I’ve found myself confronting until now, seeing as such cases rarely develop unless — ” he takes a breath, shifts his weight from one foot to the other as warmth pools in his cheeks, “ — unless my body deems my partner an appropriate fit.”-
Bookmark Notes:
a rather egg-citing evening by lilyveil1399 (clairespring7840)
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My Sunturine/Avenday Agenda by sakurablight
Fandom: 崩坏：星穹铁道 | Honkai: Star Rail (Video Game)
24 Sep 2025
Summary
My SunTurine/AvenDay fics, all compiled into a neat little collection for your enjoyment. From soft vanilla sex to BDSM to hard, brutal noncon, this series will have it all, so be sure to properly read the tags!
- Words:
- 53,133
- Works:
- 28
- Bookmarks:
- 3